Factor each polynomial y^2+9y+8

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

4+(2+x) can you me solve this problem

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?